Android Judge mobile phone number of the operator

       TextView tv= (TextView) Findviewbyid (r.id.tv);         Telephonymanager Telmanager = (telephonymanager) getsystemservice (context.telephony_service);      Get the IMSI code of the SIM card        String IMSI = Telmanager.getsubscriberid ();        MNC        if (imsi!=null) {if (Imsi.startswith ("46000") in half-segment IMIS | | imsi.startswith ("46002"))        {// Because the mobile network number 46000 under the IMSI has run out, so virtual a 46002 number, 134/159th segment used this number//China Mobile        tv.settext (imsi+ "China Mobile");        } else if (Imsi.startswith ("46001")) {        //China Unicom        tv.settext (imsi+ "China Unicom");        } else if (Imsi.startswith ("46003")) {        //China Telecom        Tv.settext (imsi+ "China Telecom");}        

Note Add permissions in Manifest.xml:

  Telephonymanager Telmanager = (telephonymanager) getsystemservice (context.telephony_service);         String operator = Telmanager.getsimoperator ();        TextView tv= (TextView) Findviewbyid (r.id.tv);        if (operator!=null) {if (Operator.equals ("46000") | | | operator.equals ("46002") | | operator.equals ("46007")) {        // China Mobile                Tv.settext ("China Mobile");        else if (operator.equals ("46001")) {        //China Unicom        tv.settext ("China Unicom");        } else if (operator.equals ("46003")) {        //China Telecom        Tv.settext ("China Telecom");

Note Add permissions in Manifest.xml:

<uses-permissionandroid:name= "Android.permission.READ_PHONE_STATE"/>